Finding the Fourth Proportional to 2,201,554.80, 3,038,775.48 and 1,296,661.68
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Solution
The fourth proportional to 2,201,554.80, 3,038,775.48 and 1,296,661.68 is: 1,789,764.09
Step by Step Solution
- Step 1: Write the proportion equation
2,201,554.80 : 3,038,775.48 = 1,296,661.68 : x - Step 2: Convert to fraction form
2,201,554.80/3,038,775.48 = 1,296,661.68/x - Step 3: Cross multiply
2,201,554.80x = 3,038,775.48 × 1,296,661.68 - Step 4: Simplify right side
2,201,554.80x = 3,940,263,719,039.61 - Step 5: Solve for x
x = 3,940,263,719,039.61/2,201,554.80 - Step 6: Final answer
x = 1,789,764.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.